diff --git a/target/linux/atheros/files/arch/mips/atheros/ar5312/irq.c b/target/linux/atheros/files/arch/mips/atheros/ar5312/irq.c
index c5062bac48..ac52d9e5d8 100644
--- a/target/linux/atheros/files/arch/mips/atheros/ar5312/irq.c
+++ b/target/linux/atheros/files/arch/mips/atheros/ar5312/irq.c
@@ -62,8 +62,6 @@ asmlinkage void ar5312_irq_dispatch(void)
 	} else if (pending & CAUSEF_IP7) {
 		do_IRQ(AR531X_IRQ_CPU_CLOCK);
 	}
-	else
-		do_IRQ(AR531X_IRQ_NONE);
 }
 
 
diff --git a/target/linux/atheros/files/arch/mips/atheros/ar5315/irq.c b/target/linux/atheros/files/arch/mips/atheros/ar5315/irq.c
index eb2e1a7ae1..750c90540d 100644
--- a/target/linux/atheros/files/arch/mips/atheros/ar5315/irq.c
+++ b/target/linux/atheros/files/arch/mips/atheros/ar5315/irq.c
@@ -76,8 +76,6 @@ asmlinkage void ar5315_irq_dispatch(void)
 			do_IRQ(AR531X_MISC_IRQ_NONE);
 	} else if (pending & CAUSEF_IP7)
 		do_IRQ(AR531X_IRQ_CPU_CLOCK);
-	else
-		do_IRQ(AR531X_IRQ_NONE);
 }
 
 static void ar5315_gpio_intr_enable(unsigned int irq)